2015 Yamaha WR450F





Key Features
  • A YZ-bred advanced aluminum frame - carefully engineered from castings, forgings and extrusions—enhances handling while retaining legendary Yamaha feel and characteristics.
  • Highly evolved five-titanium-valved engine starts with the push of a button.
  • Highly functional digital enduro computer offers speedometer, clock, tripmeter, etc., in basic mode—or pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode.
  • The WR450F is green sticker approved for California.
Engine Features
  • 449cc liquid-cooled DOHC four-stroke with five titanium valves delivers more broad power than ever, with high over-rev capacity and crisp, linear throttle response.
  • Fuel injection system delivers quick throttle response and smooth power delivery at nearly all altitudes and temperatures.
  • Dry-sump lubrication system carries the oil reservoir inside the engine cases, for excellent mass centralization and simplified plumbing.
  • Digital TCI ignition system delivers precise spark and monitors engine speed to provide optimal timing for fast, strong response during hard acceleration.
  • Large-capacity radiators with reinforcements provide maximum cooling efficiency with great strength.
  • Wide-ratio five-speed transmission uses strengthened gears and YZ450F-spec multiplate clutch—good for quick-hitting power in the woods, as well as eye-opening top-end power.
  • Lightweight exhaust system maximizes engine power.
  • Aluminum muffler with USFS-approved spark arrestor looks trick and keeps things light.
  • Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever/cable play.
  • Electric start provides easy restarts.
Chassis/Suspension Features
  • YZ250F-inspired frame makes for a compact size while optimizing mass centralization. With its extensively tested assembly of aluminum forgings and extrusions, the WR frame retains legendary Yamaha handling and response.
  • Compact YZ250F-based chassis provides a lightweight feeling with plush suspension performance for the most demanding rider.
  • Removable aluminum rear subframe is constructed of square-section tube.
  • Fully adjustable YZ-based KYB® air/oil-separate 48mm cartridge-type fork delivers precise, fade-free handling; fork protectors provide excellent tube protection.
  • The KYB® shock provides 11.6 inches of travel with adjusters for high- and low-speed compression damping, rebound and spring preload—and features a large piggyback reservoir for excellent damping and fade resistance.
  • Wave-style brake discs reduce unsprung weight and provide excellent performance. Front and rear calipers with aluminum pistons deliver strong stopping power with progressive feel.
  • Lightweight 21-inch front and 18-inch rear Excel® rims provide exceptional durability and help reduce unsprung weight for optimal suspension performance.
  • Repackable aluminum muffler shaves weight.
  • Premium Dunlop® knobbies offer unbeatable, competition-spec traction and excellent wear.
Additional Features
  • Cool YZ-derived bodywork and a thick seat look great and feel excellent on long rides. Tapered aluminum handlebar in forged triple clamp for light weight and great comfort.
  • All this, including: tool-less access air box, Excel® rims, 18” rear wheel, tapered aluminum handlebars, wave-type brake rotors, electric start, on-the-fly clutch adjuster, O-ring chain and aluminum side stand. This machine is ready for tight trails, woods, or desert fun.
  • Slim-design lightweight fuel tank holds 2.1 gallons.
  • One-piece, high-strength, plastic skidplate shaves weight and offers great protection.
  • Adjustable front brake lever.
  • Ultra-wide footpegs for more comfort.
  • Repackable aluminum muffler shaves weight.
  • Wheel collars make wheel removal quick and easy.
  • Engine Type: 449cc liquid-cooled DOHC 4-stroke; 5 titanium valves
  • Bore x Stroke: 95.0mm x 63.4mm
  • Compression Ratio: 12.3:1
  • Fuel Delivery: Fuel Injection
  • Ignition: TCI
  • Transmission: Constant-mesh 5-speed; multiplate wet clutch
  • Final Drive: Chain Drive
  • Suspension / Front: Inverted fork; fully adjustable; 11.8-in travel
  • Suspension / Rear: Single shock; fully adjustable, 11.6-in travel
  • Brakes / Front: Hydraulic single disc brake
  • Brakes / Rear: Hydraulic single disc brake
  • Tires / Front: 80/100-21M
  • Tires / Rear: 120/90-18M
  • Length: 85.0 in
  • Width: 32.5 in
  • Height: 50.2 in
  • Seat Height: 37.8 in
  • Wheelbase: 57.7 in
  • Ground Clearance: 13.2 in
  • Fuel Capacity: 2.1 gal
  • Wet Weight***: 273 lb
  • Warranty: 30 Day (Limited Factory Warranty)



Engine Type
DOHC 4-stroke; 5 titanium valves
449 cc
Bore and Stroke
95.0 x 63.4mm
Compression Ratio
Fuel System
Fuel Injection


Front Suspension
Inverted fork; fully adjustable; 11.8-in travel
Front Brakes
Hydraulic single disc brake
Front Tire
Rear Suspension
Single shock; fully adjustable, 11.6-in travel
Rear Brakes
Hydraulic single disc brake
Rear Tire


Dry Weight
Curb Weight: 273 lb.
Fuel Capacity
2.1 gal.
57.7 in.
Ground Clearance
13.2 in.
Seat Height
37.8 in.


Constant-mesh 5-speed; multiplate wet clutch
Final Drive
Chain Drive


Team Yamaha Blue/White
30 Day (Limited Factory Warranty)


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